Home / 7,320.18-10,980.30-1,773.52

Finding the Fourth Proportional to 7,320.18, 10,980.30 and 1,773.52

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Solution

The fourth proportional to 7,320.18, 10,980.30 and 1,773.52 is: 2,660.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.18 : 10,980.30 = 1,773.52 : x
  2. Step 2: Convert to fraction form
    7,320.18/10,980.30 = 1,773.52/x
  3. Step 3: Cross multiply
    7,320.18x = 10,980.30 × 1,773.52
  4. Step 4: Simplify right side
    7,320.18x = 19,473,781.66
  5. Step 5: Solve for x
    x = 19,473,781.66/7,320.18
  6. Step 6: Final answer
    x = 2,660.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.